#include "ddk/ntddbeep.h"
#include "sys/ioctl.h"
#include <stdio.h>

int beep(ULONG frequency, ULONG duration) {
 FILE *beepdevice = stdin;
 BEEP_SET_PARAMETERS parameters;
 parameters.Frequency = frequency;
 parameters.Duration = duration;
 if ((beepdevice = fopen("/dev/bp0", "r+")) == NULL) return(1);
 fprintf(stderr, "debug: filehandle=0x%x\n", fileno(beepdevice));
 if ((ioctl(fileno(beepdevice), IOCTL_BEEP_SET,
  &parameters)) == -1) return(2);
 return(0);
}

int main(int argc, char **argv) {
 ULONG frequency, duration;
 int status;
 if (argc != 3) {
  fprintf(stderr, "Usage: %s %s %s\n", argv[0], "FREQUENCY", "DURATION");
  return(0);
 }
 frequency = atol(argv[1]);
 duration = atol(argv[2]);
 if (status = beep(frequency, duration) > 0) perror("Cannot beep"); 
 return(status);
}